Sustainability is not typically part of a bank's vocabulary.
But there are terms a bank can understand : systemic risk for the economy, the prospect of fossil fuel investments becoming stranded assets, negative effect on public relation and how it can be a competitive disadvantage if a bank do not attract customers who value human life.
Yes, and that's how it should be if a politician of any party is convicted for serious offense, eg violence or hatred. Laws should apply equally to all.
Which means such law should be carefully crafted to prevent its abuse for partisan purpose, supressing the opposition, etc.
For instance making it a judicial process, not an arbitrary administrative/executive decision. Restricting this to specific well-defined offenses. Making it a time-limited ban, not a lifetime ban.