IMO, it's perfectly ok for one tennis player to give his honest opinion without people going berserk over it.
On the other hand, it should also be perfectly ok for others to challenge that opinion without people going berserk over that.
It's not a one-way thing.
Too many people (again, generally speaking) are perfectly fine giving their own "honest" opinion but they can't deal with people disagreeing with them or challenging their opinion.
It's a knife that cuts both ways.
and yes, saying what you don't really believe is lying
...and then you wake up to the real world.
Come on, how many people are brutally honest to their boss, wife, husband, mother, father, kids,...? Nobody.
To prevent being sacked, to avoid arguments,....we "wrap" things up.
In theory, it's not telling the "entire" truth and thus a lie.
In real life, it's called trying to live a life in peace. At least, that's how I see it. Sometimes, you can't be too soft and indeed call a spade a spade, but quite often, it's not the best option.