Well, it’s not that hard to be better than current Ronaldo. Specially being younger than him.
Messi’s absolute best was better than Ronaldo’s absolute best, but CR7 was better than Messi for many seasons. Now is not even a question, Cristiano is finished, while Messi still delivers the goods.
In terms of goals maybe. Personally, I haven't thought Ronaldo was better than Messi since 2008. Messi's close control has always been far superior and might actually be the best of any player ever, and he's always been better at bringing other players into the game than Ronaldo. With this Messi vs Ronaldo debate, I think people just decided whichever one scores more goals that season is the best, which I've always found a pretty dumb measure tbh. Maradona certainly wouldn't ever have been considered the best of all time if it was all down to goalscoring. Ronaldo has been an incredible player who obviously had much more than just goals, but if you were asking which I'd want in my team I would always choose Messi, since he can offer much more from a team perspective while also offering that same individual brilliance that Ronaldo had (I also love dribblers personally).
How each person rates them will probably come down to what they're looking for in their GOAT, but I don't think you can just suggest that CR7 was better than Messi like it's an indisputable fact.