How long did you wait to see if inbound connection might come in and stay?

It depends what you want to do with the node whether a pruned node is sufficient for you or not. Didn't you pay attention to the settings of your node?

A pruned node doesn't store all blocks of the blockchain, only the most recent ones up to the prune limit (or the blocks that are relevant for a loaded wallet's transactions, IIRC).

If you create a new wallet with the pruned node and keep that wallet loaded in your node, it won't cause problems with syncing your new wallet over time. It's only when you load an old wallet with a pruned node that issues come up, when blocks are missing to sync such a wallet. Your pruned node will tell you that it needs to download the whole blockchain again to sync such a "foreign" wallet.
Not exactly a nice situation.

Another no-go for a pruned node is when you want to sync an Electrum server to your node. This commonly doesn't work with a pruned node.