I've largely abandoned macOS for Linux when it comes to work stuff, but I still have a Windows desktop for games. That said, I've been very impressed by my Steam Deck. Windows 10 will probably be the last version of Windows for me.
Amusing - The statistics from your Department for Transport seem to suggest that you are either an extreme outlier or just entirely wrong[1]! Or maybe this can be attributed to you having some lingering difficulties with kph vs mph?
Hopefully we've both satisfied the urge to be obnoxiously condescending for no reason. Moving right along...
Assuming SPE0111 is what I should be looking at, UK motorway speeds seem very similar to what I've experienced on US interstates.
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1. SPE0111 and the "Average free flow speed (mph)" for motorways, from the following: