WTF! Why! How!? I just found out a friend of mine ordered one and it arrived today, and he told me he's not very satisfied with the cleanliness of the vapor and it turned out after inspection that it has the same exact problem that mine did! Except with his you can only notice a gap at the top while you're pulling the stem upwards or else it's hard to see or capture on camera but it's there... (I have a feeling the other junctions that are throughout the straight stem tube are not air tight either, obviously and especially including how the top piece seems to be resting on the top of the stem column is many units, not even fully glued, let alone one straight piece that's airtight...)
EDIT: How do you add/ upload images on this site again??
You read How to post pictures.
First, I have examined my Ascent carefully and the "stem chamber" as you call it is a single piece of silicone with a slight constriction near the heater end. I can see this easily by shining a bright light down the path. It makes no sense at all for the construction to be in multiple pieces. Aside from increased construction complexity and time, there is no logical reason to do so and many not to do that. For me the clincher is that I spent quite some time discussing the Ascent with Cortney (the designer) and I know that he put user safety at the forefront. Your accusations just don't make any sense from what I know.
Second, you said you were done with this so I let it go, but now you're back. We all know you wouldn't buy one and you've stated your reasons multiple times. I am therefore putting you on notice: we have a rule against bashing companies. Some would say you've already broken it.