I really don't think this is true.
It's widely believed that some former high ranking IRA members still are involved in the party leadership, but nowhere near the extent that they could be said to "control" the party
> Sinn Fein is the Provisional IRA,
The ceasefire was 25 years ago, there is a whole generation of SF members who have never been in the IRA, so no, they are not the same organisation
> and proud of it
Yeah, there's pride at having held off the British Army for decades, but also a lot of very mixed feelings