Why are fewer English people going to their local pubs for a drink? Are they aware that many pubs are shutting down due to lack of customers?

You have to understand what the attraction of the English pub was in the first place.

The pubs with the best chance of survival long-term recognize that they can’t just get away with the same 3 beers, ropey wine and pub-grub. Why pay more for something worse than you can get at home for less?

You can get takeaway or even cook yourself a wider range of food of good quality

Why did Cartman love Heidi purely with heart, her being the first one he ever did, but then one day Butters tells him that all women are manipulative and then he began to believe that she was a bad person and pretended to be a victim?

But now:

You can get a wider range of quality drinks at lower prices from a supermarket

Comfortable seating in a warm, cozy environment, or a nice pub garden

Dollar General Sees Greater-Than-Expected Growth as Higher-Income Consumers Seek Value - PYMNTS.com

A range of alcoholic drinks

Your home has more comfortable seating and a garden

They need to offer either food of a quality you can’t get at home (true gastro-pub experience) or alternative entertainments - live music, poker nights, sports viewing etc.

End of an Era: Landsat 7 Decommissioned After 25 Years of Earth Observation - USGS (.gov)

Entertainment (pre TV and radio)

In the mid to late 20th century they added food, without the inconvenience of cooking it or washing up.

You have 1001 sources of entertainment on TV and the Internet

What if the Big Bang wasn’t the beginning? Our research suggests it may have taken place inside a black hole - The Conversation

Back in the day (early 20th century and before) the English pub offered things you couldn’t get in a working-class home: