In my opinion getting engagement on the posts is harder than getting upvotes.
Absolutely!! People don't seem to recognize this.
But they only get comments from bdvoter.cur and splinterlands curators.
Yes. So, to add value to the community of humans, it needs to be read by humans, engaged with by them. This is a sign that the Splinterlands community in terms of relationships need work, but many of the community are only interested in building their ROI, not the community.