I have no doubt she did her best, but she tried to do something that was NEVER going to work. UK should have been preparing and planning for a hard BREXIT from day one.
The EU has no reason to make the exit quick and painless... if they do, more nation states will leave.. it is in their own self interest to make sure all those other uppity member states know if you decide to leave you will pay a heavy price....
By never once truly preparing or considering a hard brexit, they wasted time and harmed their nation.
But there was little leeway even for the EU.
The UK wanted the same deal as a non-member as it had had as a member. That’s not possible.
The EU offered different alternatives and even said that the only option for May’s red lines was no-deal.
The Brexiteers like Farage, Johnson etc. believed that they could still “win” with no clue on how to