Iridium exists today, refreshed their constellation with Iridium NEXT just a few years ago, and was just bought by Rocket Lab for $8 billion.
(disclaimer: my Dad worked there for years)
the person you are responding to seems to have massively massively downplayed iridium then….
Fun Iridium trivia: it was originally designed to need 77 satellites, hence the name. By the time they deployed they’d figured out they’d only need 66, but for some reason didn’t change their name to Dysprosium.