Joemike, the feature suggestion/feedback to Apple, is a first-rate suggestion that I had forgotten about. Thanks for the reminder. My suggestion/feedback has just been dispatched.
Should I get a reply, I'll share with all.
Roger, yeah, smooth scrolling is enabled in System Prefs, but that has negligible effect (for me) in Safari. So as far as scrolling is concerned, I much prefer FF, but tis an issue I can live with.
27" i7 iMac (10.13.6), iPhone Xs Max (12.1)
Those who can make you believe absurdities can make you commit atrocities. ~Voltaire