God have mercy for the poor souls that have to use Clearcase. In fact it sounds like you and I may work for the same organization.

If you live in europe. Then you should care because israel genociding palestinians will lead to more refugees to your country, which will affect you economically. You may also experience alienation from your own country as it is demographically being replaced. If you live in US, this affects you economically because this war gives Israel all the more opportunity to leech your country dry.

Deadwood

Have you considered pairing up and doing end-to-end feature development together? That way you can learn from each other.

one for each service

This is very useful for identifying which services might have sold your email to third parties.

Another downside may be that once you’re using your domain for emails, you better make sure you don’t accidentally let it expire or mess up some configuration and start missing emails, which may be important, sent to you