Shrug. Pete Buttigieg went on Fox News all the time over the past 5-6 years even though I thought and think they’re propagandists and a threat to our country. I think his rationale for doing it was sensible.
To continue having an account on twitter really doesn’t. I would even say it’s quite the opposite - to abandon your lived-in account and all its followers on a network that serves financial interests of your opponents - would actually be a more principled stand.