I think there's absolutely things worth doing boycotts over. I don't really like to have much to do with anything that is benefiting Russia for example. We can both have our opinions.
They're just expressing an opinion just like the Lemmy devs have. (note: I have not looked into what their views are exactly so I'm not saying parent poster is correct)
Nobody is being forced to do what they suggest.
Well, people are also absolutely free to choose not to associate with, use services from people whose opinions they find objectionable etc. Nothing wrong with that.
Mastodon account also works as a backup since you can subscribe to communities and post comments from there.
It's also got the biggest community covering the Russo-Ukrainian war: !ukraine@sopuli.xyz
@73ms
@sopuli.xyz