A Weird Criticism My Friend Made About Brothership

So my friend thinks just because Mario and Luigi Brothership was made by Unreal Engine it to him devalues the game by a good portion which i think is stupid because even if it was made by Unreal Engine it still turned out to be a really good game and I'm just grateful to see the series return as a whole. Don't get me wrong i still miss Alphadream but at least the series can still see the light of day