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As is fairly obvious to all, this is not a 2♣ opening, but it is very strong. 3 suited strong hands are difficult to handle (hence the invention of the original Roman 2♦ bid, which is perfect for this hand).
It seems to me to be worth the risk of getting too high to avoid the risk of getting too low. So, once partner responds to my 1♣ opening, I am not willing to settle for less than game.
Others are willing to take that risk by rebidding only 1♥. When bids like these are made in the Master Solvers' Club in The Bridge World, they are usually accompanied by statements like "if I can only survive this round of the bidding."
If partner takes another call, you will probably be better placed than I am. However, given that one poster says he is not willing to pass 1♥ holding a doubleton heart, it may be 6 of one and a half-dozen of the other.
For example, suppose you hold:
Would you respond to a 1♣ opening bid? If so, would you bid 1♦? A weak jump-shift in diamonds (assuming that it is available)?
If you respond 1♦, do you bid again if partner rebids 1♥? If you do, you will certainly get to a terrible game contract. I assume that if you rebid 1♥ on the 4405 hand given as the problem hand in this thread that you will not allow the bidding to stop short of game if partner takes two calls.
Many years ago, I played several events at an ACBL Spring Nationals with John Potter. John gave me one rule that I had to obey while playing with him. If I had less than 6HCP, I could not respond to a 1 bid. I call this "Potter's Rule." Now, I know that most of you are not followers of Potter's Rule. If you were, you probably would not rebid 1♥ on the 4405 hand in this thread. And while following Potter's Rule may not get you the best results on some hands, it does make life a lot easier on quite a few other hands.
John Potter is a pretty good player. And his "rule" is not absurd. But it does make life a lot less interesting.