They don't give them away.

"Do Pilots Give Out Wings?
Now, to answer the question on everyone’s mind: do pilots give out wings? The short answer is no. Pilot wings are not distributed as souvenirs or tokens of appreciation, nor are they handed out as a gesture of kindness."


https://thetechylife.com/do-pilots-give-out-wings/

Looks like they still do……

>>> The flight attendant on our trip was handing out plastic pilot wings to some kids.<<<

https://www.facebook.com/theeasycajun/posts/the-flight-attendant-on-our-trip-was-handing-out-plastic-pilot-wings-to-some-kid/1430993288392049/