Going for a less shallow dismissal of your points then:
> Did the IRA kill around ten thousands of Brits in one day and kidnapped a few thousands (I'm adjusting to population size here) ?
The IRA in total killed some 2000 people, representing some 0.2% of the Protestant population of Northern Ireland. Hamas killed in total ~2600 people since 2008 (where I found simple data on Wikipedia), which represents about 0.04% of the population of Israel, taking a very small estimate for the total population. So, in percentages, the IRA was about 5 times as vicious as Hamas (edit: accidentally wrote 50 earlier).
> Did the IRA have the sworn objective to eliminate England?
Yes, the IRA had the objective to eliminate British rule in Northern Ireland entirely, which is quite similar to Hamas's goal of eliminating Israeli rule in all of Israel. I'm not sure if the IRA was as happy to kill any loyalist civilians as Hamas is in killing Israeli civilians, to be fair.
> Did the IRA join forces with another terrorist organization and a superpower bent on destroying England to encircle England from all directions and join the war?
I'm not sure what superpower you refer to here (are you calling Egypt a superpower? Edit - oh, you mean the USSR...). Regardless, Ireland did have some amount of implication in the Troubles, though of course immeasurably less. I'm also not sure why it's more legitimate to bomb civilian buildings or not based on whether those civilians were once supported by outside countries, 50 years ago.