I think this depends on where you drive. Around here, nearly half the charging stations are broken or otherwise out of service. No one is being trained to service them.
When you do find one that's working, you need to have the right adapter, since there are several types of receptacles to choose from. Sometimes, there is quite a line waiting to use the ones that are in service. Then, there is more waiting while the vehicle charges.
The only place you can be sure of getting a charge is at home.
I'm sure this varies from place to place so YMMV.