If you vote for local councillors based on national issues then you're an absolute clown. Councillors that try to get elected off the back of national issues are even worse.
@anon_opin I explained this very thing to my son before he went to vote for the first time.
@anon_opin

Indeed and that's most of them.
The others tend to be selective in what they do, if anything.

Locally you can't get a response from ANY councillors, so system broken.

Independents are rare and probably the only ones worth bothering with; if they stand and get elected.

By-Elections for Westminster are popularity polls, not locals.
Hence the current reduction in councils, distancing from the electorate and destruction of accountability / access.