I'm in a better mood today so to be fair. Boruto is likely an above average selling manga that might bring in some money. But the problem is, that's not what the companies wanted. They wanted Naruto numbers which is still one of the biggest manga in the world. So, its a failure, it is at best a disappointment.
The two bits that stood out to me were the digital sales, and we shouldn't compare Naruto-Boruto to Dragon Ball.
So, the guy tried to say that the sales were fine because they really all went to digital and those numbers are good. But didn't show these new numbers just leaving people with the impression they must be good. Just trust the Youtuber, Bro. When it wouldn't be at hard to show them. 30% is physical? Ok that is X. 3X+1/3X=the total*. Which the average being 100,000 is 333,334 or 330,000 to what I rounded it up. Now that's a decent number for a manga, but nowhere near Naruto's numbers in its prime. Also, digital sales percentage has not been 70% throughout Boruto's entire run. As digital sales had reached that level either this or last year. He doesn't go through and try to show how digital rise matches Boruto physical number's decline. Which it doesn't. Boruto just declined till it hit around 100,000 and was around that level for years. If he was right, that wouldn't be the case.
* 30% is the known 70% is missing and we are looking for the total. 70 is 2 30% and then a 10% left over. 10% would be a third of 30%. So 30%+30%+1/3X30%=70 then for total 30%+30%+30%+1/3X30%=100%. Of 3x+1/3X=Y.
10 years ago, Naruto was the closest IP Dragon Ball had to a peer in terms of sales. If someone were to say, 'that in certain years Naruto had even beat Dragon Ball in sales,' most people would find that believable. Now a days, that is consider completely absurd, apparently. What happened in the past ten years that caused such a shift? Well, for Dragon Ball, Toriyama got so embarrassed by Dragon Ball Evolution that he got himself involved in the IP again and revitalized it. For Naruto, a bad ending and a worse sequel. "But, no no no Naruto-Boruto is completely fine apparently." While all its contemporaries' sales have completely eclipse it, when it was once the King of International Sales.
Edit: Also, again overall notion of "its a sequel don't hold it up to the same standard of the original." The companies knew that sequel tend to perform worse than the original. That why when they were selling Boruto to the audience they were making it was to be seen as a continuation of Naruto; its Part Three. Also, they tried to make sure it was seen as continuous by doing such things as keeping the Naruto anime going till they were ready to switch over to Boruto. Having a movie to promote it. Finally releasing the manga about a year after the original ended.
I do wonder if people would even CARE if Kishimoto got back on board after what he did. I imagine he would not be trusted with the IP if he did considering that even if he revitalized it, he still has what he did before over his head and how fans remembered that when it came to Samurai 7 and how it tanked hard because of it.
At least in terms of Dragon Ball Evolution, even if it tanked, Dragon Ball had been done for the most part with the ending to GT and Toriyama moving on before he decided to come back after that. The damage Naruto has gotten from its ending and what Boruto as a series has done to it... only for it to blow up in their faces because they don't want to admit they shot themselves in the foot, both Studio Pierrot, and Kishimoto's editors, when they didn't allow Kishimoto to tell the story he wanted and also taking advantage of his grieving over his dad's passing and not having time to properly process it all.