I neither "moo" nor "baa" so I generally dislike Ryanair, but I tend to agree that the government's plans for social distancing on an aeroplane are crap.
The government is suggesting the middle seat on planes should be left vacant, but that still leaves you just a few feet from your neighbour. Let's not forget that cattle-class on a plane can only comfortably seat hobbits at the best of times. I'm pretty sure you have to check your legs into luggage to fly Ryanair these days.
Two metres is what has been touted as optimal distancing, which would probably mean a row to yourself and nobody in either the row in front or behind. It would be delightful but I doubt any airline could run a profit while instigating proper social distancing.