[soneca]

Doubling an offer is a red flag for me too. Blatant lowballing which, in my view as well, is disrespectful.

This “non-competition for 6 months is nothing” is also a red flag, in my view, for the whole tech scene then. It doesn’t make it right, if common as you say, just make the norm wrong.

And you left out of your comment the point that they were not fulfilling a few promises made even before the job had started. Which is a very big part of author’s reason.