The Tories have never tried to verify whether punishing unemployed people for every failure to carry out the job search dance really led to more of them in employment.

I'm not surprised that the Tories have not tried to measure the "effectiveness" of these punishments in achieving their supposed goals, because the goals don't make sense anyway, and I don't think the Tories were honest about their goals.

I think the Tories' real motive for these punishments is to demonize the unemployed and the disabled (often labeled as capable of working, through a carefully arranged system of excuses to disregard their medical evaluations) and to make it seem they don't deserve any help, which in the long term serves as an excuse for ceasing to help them. That will "save" money, making it possible to further cut taxes or increase welfare payments for the rich.

As for the non-rich unemployed and disabled, with no state help they won't live many more years, and the Tories will say, "Mission accomplished."

"The Tories are lower than vermin" — Aneurin Bevan.