If it happens once, ignore it. If it continually happens, then you need to look further into the Extensions you have installed on Safari and also third party apps that are launching on startup that could be causing the problem. You obviously do not want to have any Cleaners, VPN, or Antivirus installed as those have continually been seen as problematic. The best way to pursue a problem with a startup process is to post the free EtreCheck report using the Additional Text option when posting. Again, the is not necessary unless you continually see this problem.
How to use the Add Text Feature When Post… - Apple Community
On the other point, you sent the comment to Apple and there is no taking it back. That is on you.