This video sucked ass. It made three major points to show that success makes companies worse.
Legal rights - Remember the Wii U days when Nintendo didn't make copyright claims on Youtube? No? Well, yeah, that's because Nintendo protects their IPs regardless of how well their console business is doing. Therefore anything concerning legal rights is not caused by Nintendo's success.
Greed - The example cited here is Mario Strikers: Battle League Football which released light on content, but all we are seeing here is the latest incarnation of Nintendo employing the Splatoon model of unlocking already finished content to the players with regular updates. Splatoon was a Wii U game, so the second point does not support the assertion that Nintendo's success makes things worse for their consumers either.
Nickel and diming - This is about a paid online service, but the decision that Switch will have online multiplayer behind a paywall was already made before Switch launched, so once again, it's not a consequence of success. The comparison with other services is pretty bad too, because somehow Nintendo is the only console manufacturer which offers a family plan with so much leeway that people from different countries can pool their money together and can get a year of NSO for under $/€10 without any discount. When you hear nickel and diming, you'd first think of overpriced DLCs and games infected with microtransactions, but Nintendo games usually stay clear of this. It's actually the case that Nintendo's success has made them stick first and foremost with expansion passes as DLC, so there's less overpriced DLC now then there was back then on the 3DS and Wii U.
That's why this video sucks so hard, because it fails to make any correct point. I was actually expecting something sensible, such as "the greater Nintendo's success is, the higher the likelihood that they'll start to make games that you don't want." Which is still just a hypothetical, but at least it's reasonable.