I would like to point out that Feb 19th until May 19th is in fact THREE MONTHS. The road is going to be closed for three months and maybe for people down south it's just a minor road with sheep and a quaint tearoom on it that they only drive on once in ten years, if that - but it is a major link for those living in the north of the island to its capital and where most of the jobs are. It's the A14 for goodness sake!
As for the tearoom, it is normally open in March onwards, not in February. if the closure was only February and March then I doubt the tearoom lady and the bistro gentleman would be making such a fuss - but March April and most of May, come on, that is nearly up to TT practice week! Easter and the Mayday bank holidays and it will still be closed.