You don't need to worry about it. His new content is that of a completely different person, and it's been more than half a decade since his last controversy.
don't look
Again, I genuinely feel that Pewds' content has changed dramatically since his early days, for the better. He seems much more considerate, thoughtful with what he says, and mellower in general. I don't think anyone should feel bad at all for liking his recent content.
But you clicked this so...
I'm gonna stick to things Pewds drew controversy over that were actually on video. Not laying out accusations, just laying out why he's a controversial figure in an unbiased fashion.
Forewarning, some of this is heavy.
Pewdiepie was a very edgy youtuber for most of his career, usually laying out unfiltered hot takes. They were all pretty normal edgy guy things. Think Idubbbz in terms of flavor.
I will say that I personally noticed a major change in his content after his slogan "Subscribe to PewDiePie" was used in the Christchurch mosque shooting in 2019. I think he realized just how toxic portions of his audience were from that tragedy, and ended up changing direction because of that. That was also mostly not in his control.
Most of his controversies are like this, where he does some edgy inflammatory shit, realizes he went to far, apologizes, then everything goes back to the way it was before.
He started YouTube in 2006, then again in 2010 under PewDiePie. It's been more than a decade either way. It's been 6 years since his last controversy. I wouldn't worry about how people judge him now.
He's the most viewed YouTuber. It's apparently impossible for a decent person to achieve this level of success in the hate machine that is the YouTube algorithm.