If you've ever had linen sheets you know that they get softer and looser over time.
There are companies that specialise in making clothing out of flax, but a quick look at their designs showcase just how bad linen is for clothing. The only linen garments that resemble the cut / silhouette of their standard counterparts are blouses and dresses.
I'd love to see a comparison of water required to make a square yard of cotton textile vs rayon (tencel is a form of rayon)
I go out of my way to get hemp clothing, especially when the options are cotton/plastic blends.
Or at least the 90% of it making junk.
Even if we separate it, it still exists, as does basically all the plastic we've ever produced. Even separated, at the rate we're producing it, wherever we put it will overflow.
The scarcity of landfill space is a myth sparked by the infamous "garbage barge", which nobody accepted because it came from the NY mafia and was getting too much attention, not because there was no room for it.
https://en.wikipedia.org/wiki/Mobro_4000
This Planet Money episode is a good listen: https://www.npr.org/2019/07/09/739893511/episode-925-a-mob-b...
Once you make something unhealthy, to suggest that (leaky) places to put some of them are abundant misses the point. They're unhealthy and the overwhelming majority unnecessary.
But, do what you want with that anecdote (toxic, wasteful, unsustainable, etc)