Woops.
Deluded or what? The negotiations have already been done, and the best description I can find of the outcome is that we'll be leaving on Theresa May's deal 'with a blond wig'. We will leave the EU on January 31st with that deal, because Boris has already agreed to it.
Woops.
Coalitions aren't inherently good or bad in my view, while forcing an unpopular minority policy on the majority is always bad.
Anyway the current system has given us the Lib Dem / Con coalition plus the Theresa May/ DUP arrangement which wasn't called a coalition but effectively was, plus the Brexit gridlock.
I've just checked the OCSE rankings for the best countries considering variables such as employment, salaries, education, health, safety, environment, social relations, work life balance etc.
The UK comes 14th. Of the 13 countries above us only two have FPTP (USA 10th and Canada 4th) while all the rest have some kind of PR and several have compulsory voting. Obviously that doesn't necessarily mean there's a correlation between PR and being a successful country but it at least proves it's doable.
I really don't think people have fully thought through the unintended consequences of PR voting.
The last two PR votes led to outright victories for UKIP and the Brexit party, effectively single issue partys and the opposite of what you want.
The real downside to me is what you consider the upside. You're contending that the largest party is kept out of office and rendered impotent by a coalition of smaller groupings, expressly to thwart a majority of voters. We've just had three years of that and it left half the country quietly seething at the other half.
First past the post forces a party to the centre, it has to win the consent of the largest cohort, inevitably leading to middle of the road, consensus politics. Labour were the extreme party this election as last, Blair's Labour was centre compared to the post poll tax Tories. The Overton window shifts left to right a bit but never too far because the electorate have always, always shunned the extreme.
FPTP has given us hundreds of years of stability, it's a pressure release valve that's done a lot to help us avoid pretty much all the oscillating radicalism endured by much of mainland Europe over the last century.
NHS Wales, I just love how you moaning losers get desperate L0l. Boris is king, Corbyn is......use whatever you want.