If the top offer is 15 GB, then 15GB is competitive, even if multiple providers offer it.
Disclosure: I work at Google, but not on anything related to this.
Disclosure: I work at Google, but not on anything related to this.
The competition ended over a decade ago, and 15GB stayed 15GB even though the price of providing it dropped 5x.
Even though they're near the top, none of those companies are "competitive" in my book.