[joeysteele]

A general election is less of a concern to both main Parties because of the now ludicrous first past the post system.

The PR in Euro elections opens up the door more to divisive Farage and co.

Even in a General election, Conservatives, Labour and UKIP or the Brexit party.
Could have 25% only of the votes each.

It would leave both main Parties with over likely 250 seats at least.
With UKIP, Brexit or this no change Party for 25% only getting a handful of seats.
The main worry in General elections now is no Party is likely to win overall majorities now.

However until PR replaces first past the post for General elections, other Parties and new Parties haven't a mountain but in fact mountains to climb.

Add to that first past the post in our General elections being replaced by PR will never happen likely, because the major Party, the Conservatives, will never support PR for UK general elections in my opinion.