in an assembly where she and her "largest party" delegation in the EU wouldn't be sitting if not for the PR voting system that put her and the baying gaggle of shake-the-tree wingnuts clustered around Farage in their seats, having been selected as list members (not directly elected) by Farage and the cabal around him with no pretense of party democracy or public consultation, and with few of the population having any idea who they'd be putting in position in return for their votes, let alone what they stand for beyond Brexit.
The Brexit Party is a limited company. There is no election system for selecting or deposing its leader nor its candidates, nor any forum for policy input from its paid-up supporters - "Ta for the cash, see you later, sucker." And as for its funding and transparency, that's a very serious point indeed.
As for the EU's system, maybe you and she should take a look at how policy is formulated and laws passed in the UK Parliament, especially in the last few years.
As for imagining: we're about to enjoy the rule of our second recent Prime Minister a minuscule proportion of the population have voted for (assuming the Queen goes along with it, of course), and I can't recall the last public election for our civil service, the influential political special advisers and lobbyists clustered around the main parties' leaders, nor members of the House of Lords, for instance. Imagine that ... And this without going into the growing democratic deficit between Westminster and the UK's other assemblies.
Is the EU flawed? Hell, yes. But there's that old saying about when you point at someone or something, three fingers are pointing back at you. Motes and beams and all that.