I don't care about Figma or Adobe, but you simply haven't made a good case why antitrust enforcement is good in general but bad in this case. Your only argument

I don't care about Figma or Adobe, but you simply haven't made a good case why antitrust enforcement is good in general but bad in this case. Your only argument is that it makes it harder for other companies to grow to that size, which is not an unintended consequence of antitrust enforcement. You can't have your cake and eat it.