It would probably depend on how fast you can get the BLJ off. If it does save time it won't be much and it would be too inconsistent unless you're a Dowsky clone. Not really worth imo
That BLJ has been known for a while. If it would save significant time, runners would have already tried incorporating it into their runs I think. If it saves time at all as you are also dependant on the cycles of the rising platforms. If you get onto them, but have to wait for them to rise, that would not save any time at all.
If you wish to replace your twitch highlights with reuploads, please edit your already verified run rather than deleting the verified run and making a new submission. This makes it a lot easier for us to track which submissions are reuploads and should be less work on your part as well.
If you need