[aigo]

> chatting on his phone with the audible keybord ticks enabled.

That alone is a disgrace.

[ghaff]

Please go off in a corner and ponder why such casual ageism is as unwelcome as casual racism or sexism and maybe just stay there until you come up with an answer.

Substitute woman for boomer in that sentence and listen to what it sounds like.

[aigo]

I could substitute it for child, another group of people who are broadly less likely to know where the setting is, and it wouldn't be offensive that way either.