I would say it all depends on why you ride a bike, I ride a bike for a few reasons, it is easy to stop when I want to take photos, that is my hobby, it keeps me mobile, will not say fit, I am over weight, but without the bikes I would be worse, and at the moment it does not need a licence, at 70 with old paper licence and no valid passport having a problem getting driving licence renewed. I enjoy the tow paths and cycle tracks, but there are non local, so only 9 miles to tow path, but armco barriers mean the local roads are not really cycle friendly, so being able to put the bike in the car boot is good, it is secure, and I can put it in most cars does not have to be on a cycle rack.
However I think it is not too obvious that it is a folding e-bike anyway, but being an e-bike and folding does mean some feel cheating and not proper cycling. I find small wheels a problem with balance at low speed, my wheels are 26" so it does not look at a quick glance any different to any other mountain bike.
In normal times I can take the bike on the train, classed as a dog! It is a heritage line, so three steps onto the viewing platform of the carriages, and hard to get standard bike around the corner into the carriage, and it takes up the wheel chair space. This is OK going to Welshpool, but for the return if the space is being used by a wheel chair then no room for bike. OK unlikely on last train of the day, but having to ride those 8 miles which are not flat, the railway is one of the steepest non rack in UK, and the road is worse.
So really don't care what others think, folding bike makes sense, as to if folded can it go by bus not sure, not tried it? Also not sure if folded if charged on the train, normal bike is £3.50 which will not break the bank. But I find people are really helpful, sit down on my back pack seat and other cyclists stop and ask if I am OK. I have a large beard and look like Father Christmas, which may help. But even car drivers stop and ask if OK, including women on their own, which although I am no predator was surprised they would stop.
So maybe because I live in a small town in Mid Wales, where all the locals seem friendly. Or maybe they feel if they don't they will not get any Christmas presents next Christmas? I have a set answer for the kids who say are you FC either Shush I am incognito, or Ho Ho Ho.