Judging by the locations (New York and LA) I wonder if this is to cater to folks from production houses who want to upload large video files for processing or backup.
That's still peanuts, you can get consumer grade HDDs with that capacity in a single drive. A business grade line would have no trouble uploading all of that data in less than a week, even with a bunch of extenuating circumstances.
Some smaller businesses may have a huge data store, but not the money to pay for a business grade internet connection to upload it in a reasonable amount of time. I've worked for clients who have a 10 megabit full duplex fiber connection for over $1,000 a month (probably because of low ISP competition and because they were in a newly built, low density area). If they were working on migrating to the cloud, they would certainly consider taking a few hard drives one time to AWS rather than maxing their 10 MB full duplex connection for weeks or months.
> no trouble uploading all of that data in less than a week
When you're doing e-discovery, deadlines are often measured in days - not just for the upload time, but for the analysis and finding the needle in the haystack.