There's no point. Cell towers work just fine.
https://www.reuters.com/article/us-alphabet-loon/alphabet-sh...
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Rich DeVaul, a founder of the project who is no longer with Alphabet, said surging demand for mobile connectivity made towers cost-effective in more of the world than he had estimated a decade ago, diminishing the need for Loon. “The problem got solved faster than we thought,” he said in an interview.
