Considering the level of abusive conduct I've seen from Valve (which puts even the worst false allegations I've seen against Epic to shame), availability of your demo somewhere other than Steam is the only way I'm going to get a chance to try it. And the ability to try it is going to be necessary for me to pick up a game like this at full price.
The game looks like it's probably worth it, but a lot of things look worth it without hands-on playtime. While a demo exists and is being platform-locked, that's a problem. "Valve is basically coercing us into providing a demo" isn't an argument in defense of the demo's lack of availability on other platforms. If anything, it's an argument in favour of providing the demo elsewhere as well.
Viewing post in SpaceSlog Demo, Steam Next Fest and another update! comments
It's catch 22, a single dev like myself needs every help I can get. Valve forces us to get people to use Steam in order for our games to generate a profit there. Meaning if small dev studios want to survive, we're under Valves thumb. That said, my game is so inconsequential compared to those with marketing abilities and publishers, having a demo here may not be such an issue.
Ill try get one sorted here tomorrow.