While it could be used to recover the phone, it requires a "programmer" program, which is signed by the vendor (Google, here) that hasn't been leaked.
Or, really, I should say that these programs should be made available as "software rights to repair".
---
Some reading:
https://alephsecurity.com/2018/01/22/qualcomm-edl-1/
A more up-to-date open source tool:
https://github.com/bkerler/edl/
EDIT:
see also this sibling (to you) reply:
- https://news.ycombinator.com/item?id=28545937