Probably because it is perceived to be a fairly uninformed question. It's sort of like talking about the USPS potential insolvency and someone asking how many postmen will be replaced with gig economy workers.
As far as I'm aware, major leading American tech companies have never really exported jobs to India, it has been almost entirely companies that need mediocre quality work contracting out to companies that fill those contracts with workers from India or elsewhere. Without carefully developing an office, culture, and employee pipelines over 3-5+ years you carry extremely large risk outsourcing important work.