If things "usually" change for the better, why are their increased global conflicts. Why is there more flooding, more wildfires, more weather extremes. Why is there more political extremism?
Back on topic, unless you blindly believe everything you read and see in the mainstream and social media, I don't see how 25 years of self-imposed 'exile' on Samui allows you to comment on the "here and now" in your homeland.
I agree while there are towns and regions in the UK where there are chronic issues, for the greater part of the UK, it is the opposite.
Like the stories of drunk British people in Pattaya are grabbing the headlines here and, for some here, paints an inaccurate picture of both the Brits and Pattaya, the truth, the good news, is that most British visitors aren't drunken hooligans.