Earlier quoted context omitted.
Thanks for the story. This is why, though my approach has been gently and justly accused of being "passive" downthread, the passivity is the key in this case. Don't overtly "defend" Amy. (Or Chuck, or any teamaker of any gender, for that matter.) Don't use the word "sexism", don't start doing math on how often each team member has been asked to make tea in the last two years, and don't otherwise call attention to you…
I've been thinking about this, and to be honest that could equally be seen as sexist, and also backfire. Things like But you may be in a better strategic position than Amy to negotiate the necessary change could certainly be considered sexist if voiced. What you are suggesting is much the same as what I did do - simply missing out the overt portion. It has advantages; it probably saves people being put in awkward pos…
(adjust word choice for the day 3 variant to an appropriate level for your team's social context)