So actually to add onto this, this was bothering me so I had to look into it further:

I was very incorrect - Hyperspace isn’t a pocket dimension per se and you can hit things while moving through hyperspace. The reason they ‘sometimes’ get past shields is because shields have a refresh rate so it may be able to phase through if you get it just right.

I’m more with you on this now, its a little ridiculous that no ones really tried to weaponize hyperdrive engines.