Are they being persecuted? Surely more wouldn't come if that were the case? Are they not being saved at sea by a British Institution and then looked after by the British state whilst their cases are processed?
When sub-standard accommodation was reported, the site was closed. Most now housed in hotels that prior to this people would holiday in.
https://www.bbc.co.uk/news/uk-wales-politics-56418361
I'm not saying it's the land of milk and honey at all, and I wish all genuine applicants the best, but I think you are mistaking people expressing a desire to solve this problem for persecution.
I am all ears for genuine examples of widespread persecution, but I'm not sure it exists, and certainly it is in no way comparable to the nazis victims - top clue here being that migrants are desperate to enter Britain. Jews were desperate to leave Germany.