Likewise, “It’s possible to ship and store H2” is not the same thing as “it’s not a problem to ship and store H2”.
It's not a problem. At all.
And nobody said "preventing" adoption, since that's easy to misinterpret.
It's reducing adoption a lot, compared to what it would be if hydrogen was as easy to store as butane or kerosene.
Likewise, “It’s possible to ship and store H2” is not the same thing as “it’s not a problem to ship and store H2”.