"largely ignoring that she's a boastful, lying egomaniac"
What's wrong with showing off and being selfish?
And being boastful is literally her job.
"who uses her magic to bring other ponies down while putting herself up."
an adequate reaction of the artist to hooligans and vandals spoiling the performance for everyone
"while Trixie did seem guilty about one of her lies indirectly leading to an Ursa Minor attacking Ponyville"
Even indirectly, Trixie is not to guilty for this.
"Trixie was the one who provoked"
They loudly criticized her during the conversation, not paying attention to the fact that they were interfering with all the ponies who were enjoying the show
"Trixie went too far by calling her a loser and humiliating her."
Quite justified
"largely ignoring that she's a boastful, lying egomaniac"
What's wrong with showing off and being selfish? And being boastful is literally her job.
"who uses her magic to bring other ponies down while putting herself up." an adequate reaction of the artist to hooligans and vandals spoiling the performance for everyone
"while Trixie did seem guilty about one of her lies indirectly leading to an Ursa Minor attacking Ponyville" Even indirectly, Trixie is not to guilty for this.
"Trixie was the one who provoked" They loudly criticized her during the conversation, not paying attention to the fact that they were interfering with all the ponies who were enjoying the show
"Trixie went too far by calling her a loser and humiliating her." Quite justified