Maybe I’m missing something - how would pilots sitting inside the plane be incapacitated by birds on the outside
A deep-frozen bird hitting the windshield straight on might be a problem but a live bird hitting at less than 45 degrees is not a problem for the plane or the pilots. The bird becomes red mist.
They can definitely go through plane windshields.
https://qph.cf2.quoracdn.net/main-qimg-f40a81ebb9201ba52c7e3...
Commercial airliner windows are chemically strengthened and designed to withstand bird strikes, but it’s not impossible if you’re really unlucky.
See here for another plane with weaker glass: https://old.reddit.com/r/interestingasfuck/comments/12iqve4/...