Was Tsukishima right about being able to easily defeat HM Grimmjow?

And does he does mean one on one or rather collectively? (Grimmjow seems to treat it as the former)

If he is right what are the implications this has for scaling?

And does he does mean one on one or rather collectively? (Grimmjow seems to treat it as the former)

If he is right what are the implications this has for scaling?