Jim Cramer warns against buying AT&T, citing Elon Musk's Starlink and Amazon as "considerable competitors" for rural internet dominance.

Jim Cramer warns against buying AT&T, citing Elon Musk's Starlink and Amazon as "considerable competitors" for rural internet dominance.

Starlink faces hurdles turning into a hybrid satellite-terrestrial wireless network operator. The SpaceX IPO has pressured telecom stocks.