Thanks for the responses! I wrote to SW's customer service, and here is their reply. I'm sure it's a form letter in a file they can easily access, which is fine with me tbh:
"We're so glad that you enjoy Southwest Airlines’ low fares and heartfelt Hospitality. We appreciate your suggestion for Southwest to start serving Bakersfield, CA. We strive to be the hometown airline in every city we serve by offering low fares with no hidden fees and going above and beyond to make your day brighter. While we can’t make any promises to serve Bakersfield at this time, your request has been shared internally. We appreciate your patronage, and we hope to serve you onboard soon."
So if anyone here also likes this idea, you might consider writing to Southwest Airlines' customer service email so I'm not the only one:
https://support.southwest.com/email-us/s/
Erik.
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