When was the last time you sent BTC to someone as electronic cash to pay for something (an item, a service, etc.)? I feel nowadays people just buy and HODL and the price keeps on going up only because less and less BTC are available on the market, being HODL by people.
I spend BTC almost on a daily basis, but I tend to agree that the majority of people just use BTC as an investment and not as a currency.
There is a lot of talk on this forum and other sites like Reddit and Twitter about growing bitcoin adoption, about people looking for new places to spend their bitcoin, about it becoming a global payment solution and replacing banks and credit cards and PayPal and so on. And yet, the majority of people who talk about these kinds of things never actually spend their bitcoin on goods or services, or seek out merchants which accept bitcoin to support them, or talk to merchants who don't about starting to accept bitcoin.
Bitcoin was built to be a currency. If you want to buy and hold it as an investment, then that's your right - anyone is free to use bitcoin in any way they choose. But if no one in the world ever used it as a currency, then it has no point and no value.