This is true, but how many projects will routinely use enough bandwidth to matter? Unless you're streaming media, very little.
Keep in mind that cloud backups, P2P/torrenting, etc also uses upstream bandwidth substantially, and ISPs have come to terms with it.
teruakohatu asked why a colocation facility would have a mere 10Gbps link when a 5Gbps residential links are so affordable. If you tried to run a colocation facility on a residential link, it would spend most of the time severely throttled.
This is true, but how many projects will routinely use enough bandwidth to matter? Unless you're streaming media, very little.
Keep in mind that cloud backups, P2P/torrenting, etc also uses upstream bandwidth substantially, and ISPs have come to terms with it.