She's 27 years old and childless.
Despite the video title being about "single moms", this particular woman mentions her childless status.
She's likely being far too selective in terms of a longer term relationship and has likely been that way for a while.
She is good enough looking. She's at least in the high average/cute range. Most men would probably rate her in the 5.5 - 6.7 range.
It doesn't seem like she's a recluse who never leaves her home. It seems like she has been out in the real world. At the bare minimum, she went to high school and likely dated men in high school. She likely went to a prom in high school. If she went to college, she likely met men in college.
If she's never met "husband material", it is likely that she's spent the last 10-13 years having mainly short term interactions from school, swipe apps, her social media DMs, nightlife venues, and possibly some private residence parties. Between all of these venues, she's had plenty of opportunities to meet men. It's difficult to believe that there wasn't husband material during the last 10-13 years in any of those venues.
During the last 10-13 years, she has likely had sex with multiple men. If she hasn't met anyone that has been "husband material" and she's not a hermit, it seems likely that she's had mainly shorter term sexual relationships based. It wouldn't be unreasonable to think that she's had sex with at least 10 men during the last 10-13 years.
I think she has been chasing top tier men, using birth control herself, and probably having sex with men who use condoms while having sex with her. That's how she's 27, childless, and has a seemingly minimal history with longer term relationships.
She seems like a younger version of this woman below. Also, she has a more pleasant and less combative personality than the woman in the video below. They've had very similar experiences.