There's also toxic organizations that have hostile retaliation as a response to criticism or improvements. I don't know thunderbird's internals but I've certai

There's also toxic organizations that have hostile retaliation as a response to criticism or improvements. I don't know thunderbird's internals but I've certainly been institutionally bullied and stood up for others that were. There's a lot of petty tyrants in all kinds of organizations who respond to their insecurities through administrative pedantry as a substitute for being an adult. It's best to choose to use your time elsewhere so you don't suffer through them scapegoating you in a futile attempt to ameliorate their personal problems.