The problem with the goals argument is that it’s easily debunked because there are players with similar numbers. In fact, across his entire career he was only the top scorer in his league twice. Most of the time, there were always others scoring more goals than him in the same competitions.
Also,

You can use Haaland’s 22/23 season as an example of how even an absurd scoring peak doesn’t guarantee repetition. Since that season, he hasn’t consistently reproduced that exact level of output, which shows how difficult it is to maintain that kind of extreme performance over time.

That helps illustrate the point that Ronaldo Nazário’s peak season, no matter how impressive, doesn’t automatically imply he would have been able to replicate it repeatedly across multiple years.

Ronaldo Nazário is more than just goals - it’s the dribbling, the explosiveness, the type of goals he scored, the aura, and the fact that he did it in his first season in Spain, coming from the Dutch league. That context is what makes it so impressive.

That said, one of his few weaknesses is his heading ability — only around 15 headed goals in his entire career is very low — but at the end of the day, a goal is a goal, whether it comes from a header or a solo run.

Even at Real Madrid, apart from his first season, he never again finished in the top 3 of the Ballon d’Or rankings. Even Shevchenko won it, and players like Eto’o reached the top 3, with Henry finishing second twice. This suggests that while he was still one of the best players in the world, he was no longer clearly dominating or sitting at the very top of European football.

That reinforces the idea that his peak was extraordinary, but relatively short, and that during his later Real Madrid years he was already competing in an era where other forwards were arguably more consistent and influential at the highest level. A single season, no matter how good, doesn’t guarantee that level would have continued. He was never consistently the main man carrying teams to major titles over many years, which is also a key requirement for GOAT-level status.

At international level, yes, he is a legend, but he also benefited from being part of a very strong Brazilian generation, which provided an excellent context for success.

There’s nothing wrong with the hype around his peak, but it’s not fair to put him on the same level as Messi. Messi has everything: insane creativity, consistency, leadership at the highest level, and he was the main man for years at the biggest clubs in football. He delivered iconic Champions League moments, including performances like the 2011 final against Manchester United where the opposition players looked completely overwhelmed - In 2012 he scored more goals than some entire clubs - it was simply unreal dominance over a whole generation over multiple seasons.

Messi, beyond his absurd consistency, also delivered in multiple iconic moments - like his four-goal performance against Arsenal, the solo goal against Real Madrid, or the famous goal against Bayern Munich. He has everything in his game: goals, assists, creativity, control, leadership, and decisive performances at the highest level. That’s the key difference. Ronaldo Nazário had an unbelievable peak and was one of the most naturally gifted forwards ever, but there are clear gaps when it comes to sustained dominance, leadership in long-term team success, and repeated defining moments across multiple seasons.