No I think what he means is, those playing in tournaments get an option for which patch version they want to use for the match and they then use that. Stops tournaments getting ruined by huge changes.
However, us the peons... we dont get that choice
And what I'm saying is that they don't get a choice.
Dota 2 has lost 11% of its total playerbase the last couple of months Valve is starting to worry they dont care about some tournament.