No, not impolite at all, don't worry.
I wouldn't say i only played 30 minutes, i think i played for an hour or so. Or maybe it just *felt* longer, idk. But i didn't get neither the jump or run power-ups as you thought, yeah. See, i might be the one being impolite for not having played so much of your game !
I can understand building your game so that evey upgrade feels deserved and empowering, but i still think the movement without these two upgrades i'm supposed to get later is too hard to master, too tight. At least for me. What made me let quit the game on my first playthrough was when i was getting the pieces of Heart after having climbed down from the vines in the sky, not so long after getting that ability. The level-design made it look like i had to get all the heart pieces, which led me into what seemed like 20 more minutes of play without those jump and run power-ups i was expecting impatiently. I didn't want to get through another 20 minutes of slow progression through small gauntlets.
Don't get me wrong, having no jump in a platformer is very interesteing and i can see you tried (successfully) to provide interesting situations without the ability to jump. But that jump is such a basic ability nowadays, i felt so incapacitated comapred to other games, and the narrative didn't provide any hint as to when or even *if* i would even get that ability... all of that tried my luck a bit too far that evening. And i can see a good portion of others get impatient too.
Maybe if i had some other active ability to compensate for that... the climbing ability was a good idea ! but not really creative, as you can only climb on pre-set vines...
ok ok i'm getting too far.
I'll stop writing my thoughts now because clearly i haven't gone too far into the game for now. I did want to give it another go, play through another session to see where i could get too and if i could find more enjoyment in the following levels. So I'll get back to you when i have more time with your game ;)