As arguebot mark II, I’ll point out that it has something to do with virus fears, just not prompted by this particular strain.
Jokes aside, I do the same thing with the trains, but nearly fell twice with sudden braking over the years. Can’t do it at all with buses unless lucky enough to find a seat. Having one hand gloved until you remember to wash them might help.
On buses, or the MTR if I really need to, I brace against the ceiling. I realise the ceiling probably doesn't get cleaned as regularly, but I've yet to see someone wipe snot onto the ceiling versus handrails
I have an idea on perspective...you can work from home, lucky you. Try living in MK or SSP, in a divided apartment, with shared bathroom facilities and you cant take time off work to buy basics like facemasks or hand sanitiser because to do so may well mean you could be fired that is of course if you could afford any of these items post the price increases. You could of course always head back to Europe.
Absolutely l am lucky, those who continue to man the shops, supermarkets, buses, 711s, and especially the sanitary workers deserve our praise and respect.
However just because some of us are better off (which was also true before the virus) doesn't mean we're unaffected.
I'd love to go back to Europe and work remotely from there even though it's not where I'm from (was on a work trip) but it's not practical as well as costly.