The UK Parliamentary system is far more difficult for anti-establishment candidates to break into. Proportional Representation in Europe was actually introduced to consolidate power in the hands of elites, but it's backfiring massively now that dissident politics is going mainstream.
In a FPTP system, upstart parties have a much tougher time getting into Parliament. The US has done a good job of counterracting this with the grassroots structure of candidate primaries, but in the UK the local parties in individual constituencies are filled with exactly the kind of petty, self-important managerial busybodies you would expect, so anti-establishment candidates are almost never selected to run for established parties.
The UK Parliamentary system is far more difficult for anti-establishment candidates to break into. Proportional Representation in Europe was actually introduced to consolidate power in the hands of elites, but it's backfiring massively now that dissident politics is going mainstream.
In a FPTP system, upstart parties have a much tougher time getting into Parliament. The US has done a good job of counterracting this with the grassroots structure of candidate primaries, but in the UK the local parties in individual constituencies are filled with exactly the kind of petty, self-important managerial busybodies you would expect, so anti-establishment candidates are almost never selected to run for established parties.