[Suggestion] Glass Unlock Hierarchy Adjustment

It seems strange that you have to first learn to make a "glass" pillar that doesn't actually include any glass before you can research glass walls and only then, divine the secrets of glass windows. I don't want to make a glass house to live in, I just want to make glass windows because when I think of windows, I think of glass.

Please flatten out the unlock hierarchy for glass construction. If, by the time we get there, we haven't unlocked some kind of wall to put it in, let that be our problem to solve. Like so many of the other mandatory-but-not-connected requirements lurking in that tech tree like landmines (looking at you, steel tools and your relationship with the concrete mixer), only this time for decent reason.