[cortesoft]

Just because the network effect is why you need them doesn’t make that need go away.

[munk-a]

I don't disagree. I still use facebook once a year for contact with relatives but if the only thing keeping you is the network effect then hopefully people will migrate off - maybe you can help them do so!

[rockskon]

It represents an increase in cost to use the service. Most such services have a wealth of competitors for your time and attention.

"Need" is an extremely strong word that is not appropriate for many Internet services where facial recognition is being pushed for.