Whilst I’d obviously never go to a Wetherspoons I have regularly stuck my earplugs in pub/bar environments. Reducing level increases intelligibility, I guess it localises the sound so I can concentrate on the people I’m actually trying talk to rather than having to factor in so much background. It works surprisingly well. Less is definitely more. I never go out without them now as modern bars, pubs etc can be stupidly loud. I wish I’d sussed this out 40 years ago. I quickly realised rock gigs were ear-wreckers so took some precautions from fairly early days (not early enough), but pubs and bars are too for sure.