Until the first hurricane hits
You are right. Not one wind generator will be left standing. See the history for hurricans off Nantucket:
https://www.mass.gov/service-details/the-worst-massachusetts-hurricanes-of-the-20th-century
They would be pi$$ing away their investment.
They need to build compact nuclear generating stations, which would truly be a wise investment.
Surviving in Your Doomsday Bunker with Portable Nuclear Power to Spare
http://climateerinvest.blogspot.com/2012/05/surviving-in-your-doomsday-bunker-with.html