I think the reason why there was more outrage over Cummings rather than others is that he was that, as unelected PM, he was part of the team that set the lockdown policy in the first place, so there's an expectation that he'd set an example and abide by the policy that he had a hand in imposing.

"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10