How come dji do not sell a sun shield for the ipad air 2?

The biggest they do is 205 x 145mm whereas the ipad air 2 is slightly larger then this so will not fit?

I am aware of cheap ones that will fit but they look too flimsy/big for my liking...

so..... Why not?

I would also like to have on for my Pad Air.

Good question! I got this one from Amazon. Similar design and with the Air2, any hood adds weight to the RC and the bracket. One of the first addition I made was getting the Inspire 1 metal bracket to add stability. DJI once sold it, but it's not available on the DJI Store anymore, but it is available here. TACO also has a similar one here.
I'll also agree that this design is a "cheeeeeep" one and somewhat difficult to use.  I only bring it out when I MUST...