Ok, first of all, that's just stupid, what if my pc isn't fit to run the client that needs higher specs than the game itself? You can't do shit when it takes around 5 seconds for the q decline or accepts msg shows and then after that 5 seconds, it takes 2-3 seconds for it to load the decline or accept button.
There is not a lot to do to fix software for a broken computer. If the whole system is periodically freezing or experiencing swap thrashing, that is on the user to fix.
Perhaps opening task manager and closing unnecessary resource hogging programs would help?
The punishments there to prevent a troll from joining declining match after match and eating peoples time. A much larger issue in ques with higher wait times then average elos.
Or when someone queue dodges and you don't want to be put in another game with the same people who saw your pick and are going to ban it.
You should have every right to decline a queue.
Also run the client in low spec mode, gets rid of the extraneous animations and speeds up the client.
There should be a option (like the enable low spec client thingy) which will revert the client to its old style which required much less processing power to run.
