Does Litecoin being useful make it worth holding?

I've always kept the crypto I use separate from the crypto I hold. With LTC, I buy what I need, send it, and become zero. So I think if most people use LTC like me, buying it for a payment and moving on right after, the network can stay busy without creating many long-term holders. I got some spare cash now and considered holding some LTC in the long term, but it feels like there's no strong…