We are in a world people desire to work in oil company, banking firm and while others choose to in different organizations been a corporate office jobs just to answer am working in so so company, but can you choose crypto as full time corporate job?
I'm not really sure how to answer this but yes you can example like working on exchange or writting some blog or making video about crypto, The other way was working as Blockchain developer on some sector like Oil, Market, Food, etc and also being a lawyer or even marketing on some blockchain-based company
There are various opportunities that one can work on the crypto industry. Also, there are already some company that works with various cryptocurrency.
Just as you've mentioned, articles and news writer are pretty much common on crypto. Also, various types of developer are quite in demand on crypto industry and you can apply to various altcoins as a developer whether it's a backend or frontend job.
Being a full time trader on cryptocurrencies is also a common thing where even these people stop their full time job to focus on trading.