Same here ....
At least Tomic is trying. Playing challengers in attempt to raise his form and so on.
Kyrgios on the other side doesn't really want to play tennis (he publicly stated that he resents tennis), so he is using the circumstances not to play tennis at all and to play WoW instead (or whatever he is playing).
No one likes being compared to another. Nick has his own foundation, accomplishments and he did raise funds for the bushfire. So yes, his being angry about the comparison seems legit.
He says "I’ve never felt more insulted" after being compared with Tomic in the interview. Although he has not disclosed the source of the comparison. (Inspirational Tennis Quotes for Athletes, Coaches, Teams)
Such comparisons should not be made among players.