BBC's title is laughable. If anything, these protests are against counter-reforms, as the government just abolished the 8 hours working time, which is simply awful.
What do the polls (as opposed to the Poles) look like at the moment?
Quoting Homo Homini (specifically September 4) probably should be an intractable offense, but as we're still far from the next election, polls are not that frequent. I'll try to find something newer and more reliable later.
PiS: 34%
PO: 21%
SLD: 15%
PSL: 6%
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SP: 4%
Palikot: 3%
PO is really going down and I'm pleased with SLD growth, for all their flaws, they were the only parliamentary party to strongly endorse the protest and vote against abolishing the 8 hours working time.
By the way, according to the MillwardBrown poll (Sept 10) 59% supports union protests, 31% opposes, 10% doesn't have an opinion.