sure but it isn't really mindlessly. Lore wise the S class have shown to be pretty strong in comparison to what are rated
1.Its hinted that even a early series genos and metal knight could destroy the meteor had they work together
2.. garou was trading hundreds to thousands of blows with platinum s.It took garou 2 shots to finish off platinum S which tells me platinum s couldnt be that far off from garou. A few seconds passed or a minute or so where garou wasn't fighting hence he shouldn't be growing within this time. Sage appears and Garou could immediately damage him. So Garou’s
Reactive Evolution only
increases his power when fighting strong opponents).From the time garou defeats platinum S to the time he damages sage, garou wasnt fighting anyone meaning that the garou who defeated platinum
here is equal to the garou damaged sage
here. So unless you believe that garou went from large mountain level
here to multi continental
here which took place in microseconds, then it would make sense that platinum s would scale to high 6-C. Im saying this because most of the s class would scale as well if PS is high 6c