I have chosen a route which is flown only by ryanair
wind check, I think you've proven liamfr's point. It's likely it would've cost you significantly more, and definitely taken considerably longer, to travel your proposed route without Ryanair!
Would you prefer that I part subsidise your baggage cost is that it? You choose to check in a bag and pay, I choose not to and don't. Seems fair to me.