Yes, it's very difficult to get any attention while posting about non-crypto things or even outside your usual crypto-community. However, when you build up your reputation (and wallet), you can generally get upvotes on broader scope of subjects. That can take time though.

Fundamental shift is happening, thousands and thousands of people are getting into crypto every day and investing into their favorite altcoin. Where to blog about it and find community who will support you, even financially (through upvotes)? Steemit is becoming an obvious answer to that.