Close to a million signatures now. Not that it will make Cummings or Johnson do the right thing but should send a cold chill down the spine of the Tory party.
Are you joking? The three most popular petitions ever had 6, 4, and 2 million votes. They demanded respectively that we stay in the EU, hold a second referendum, and ban Trump from a state visit to the UK.
The outcomes? We left the EU, didn’t hold a second referendum, and Trump visited the UK on a state visit! 
So no, no one gives a toss about petitions.