far higher chance of her calling a GE to create a personal mandate
You think? They're bombing in the polls at the minute, they're not going to be immune to the data that says they'll lose. I don't think they'd bat an eyelid about their mandate while they've still got a huge majority (they'll probably just conflate their majority with a mandate).
From (hazy) memory, May was high above Corbyn in the polls when she called the election (so calling it was the right decision), then he pulled it in because she was so awful. Polls from that time, election was in June 2017:
You think? They're bombing in the polls at the minute, they're not going to be immune to the data that says they'll lose. I don't think they'd bat an eyelid about their mandate while they've still got a huge majority (they'll probably just conflate their majority with a mandate).
From (hazy) memory, May was high above Corbyn in the polls when she called the election (so calling it was the right decision), then he pulled it in because she was so awful. Polls from that time, election was in June 2017: