So, anyone who wants a Debian supplier can just jump on this and that's exactly what they get.
"Any contribution gives you the right to submit a list of packages that you rely on, and that should be prioritized in terms of security support."
"If your funding level is at least Bronze 1, Freexian will subscribe the person listed as technical contact to a private mailing list that all contributing companies can use to discuss their needs and share their experience."
"If your funding level is at least Silver 1, you can submit your queries and requests about Debian LTS in general and/or any security update in particular to us."
"If your funding level is Platinum, you can submit to us functional tests covering the set of packages that you care about, and we will run those tests on updated packages to detect undesired regressions"