At one point there was more UK residents watching Neighbours than the whole population of Australia it was that popular. Coronation street is as old as I am and has moved with the times and brought a good few realistic story lines that were bang on, same with Eastenders.
Emmerdale Farm was all about the farmers, farming villages and farming storyline but survived, modernised, dropped the Farm from the title and been bang up to date with storylines.
All these popular shows have moved out of the soap opera genre and are now serial dramas. They will be around for quite some time yet imo
I haven't watched a single episode of all the above since 2016 so maybe I'm not the best source