I am not effected by this so I won't vote in the poll to skew the results from those that actually are involved in this but I would say no and I am not sure why anyone would.
Why not donate to charity and watch the game? How does denying yourself the enjoyment, assuming you enjoy watching the games, help the charity?
If you can't afford to pay £15 to watch and £15 to charity then I think you are probably ok to not donate this time and wait until you are in a better spot financially to donate then.
It's about protesting the cost to stream such games.... £15 each is a rip off once factored on top of the rest of the montly subscription fees.