I can't remember if it was this thread but lots of rules have changed that imo means there's more dogs about
My mums childhood dog would go shopping with them and was tied up outside shops etc (no longer allowed, dog theft and actually was the cause of lots of dog bites at the time!)
Her dog also used to be left in the garden when they went out for really long periods or even worse just turned out into the street. (Again dog bites, dog laws about roaming and knowing better)
When i was a kid our dog was left for really long periods at a time- we know better now. We also used to leave it in the car a lot. Again not done now.
We used to take ours on holiday but leave it in the campervan, holiday apartment etc
All those places now have rules.
If you think of somewhere like the lake district or busy coastal holiday town. Every single person on holiday camping in tents, every person in a static holiday van by the main companies and most of the people in holiday self let's will be staying somewhere where their dogs can't be left.
Some may chose to leave them, but in general most hotels, holiday lets etc all mandate dogs aren't left
Dog owners make a huge percentage of the people that holiday in the uk, now people have a much wider choice of holidaying abroad and those still here tend to be people take their dogs with them. in my childhood it was less so as people stayed in the uk.
I don't always take my dog to restaurants, when I do its because it's mostly because I'm on holiday and unable to leave them. I don't always holiday with them, but if I do stay in the UK, it's usually either city breaks or with them