Whats peoples experience with the easy saver? Ive been rejected 2times

I've been rejected twice for it. I'd understand if it was a credit card perhaps... but its a savings account... with a bank I already have 3 accounts with (Personal, Joint & Business)

I have very boring bank habits, and am actively saving at the moment too so It not even like Im flying in and out of overdraft.

I asked in chat and they said they couldn't tell me why I was rejected. So no idea?