Why would they need 85% capacity for emergeny only SMS. How many people are getting into trouble on their boats??
Globalstar is probably preparing for an influx of new users to their service who would otherwise not own a satellite-capable device.
Also, don’t overestimate their bandwidth. I rented a sat-phone once for weather updates mid Atlantic. Text only emails could take a minute to ul/dl with full reception.
edit: It’s also worth mentioning that the bandwidth is very limited, but I thought it worth calling out the above