As Klaus1 has said you have definitely been heard by the regular posters in this forum.
The Hosts (Have a purple Apple instead of Avatar) work for Apple. They tend not to post in the Forums as a whole but this forum (Discussion Feedback) is one where you may see them more often.
Posters that work for Apple that want to contribute here get Silver Apple icons. They post outside of their regular work but post as do the rest of us as "Experts" by use of particular apps and Mac Models.
AS this issue seems to be for one browser and not another and in some cases that same Browser in a particular OS version then the issue is not a Discussion Feedback issue per se. The Safari forums are the most likely place to get the most current info from people who try everything with Safari to get it to work as they think it should.
They will also be able to confirm, as Barbara Daniels, suggested that some things cannot be changed.