This isn't a requirement for precision RTH at all... only ascending vertically at take-off to a minimum height of 7m before flying out horizontally matters though, & not touching anything besides the throttle at landing also matters.
Here from...
If you read the OP's post you see that he did, together with the same 180 degree shutter angle... but the result was unsurprisingly the same.
Lower FPS can certainly contribute to problems with judder and/or excessive blur... but it's far from...
Haven't been for several years now... you need to download it directly from the DJI site & sideload it to your mobile device.
Here you have it --> DJI Go 4 - Download Center - DJI
Read up more about panning speeds vs shutter angels & judder/motion blur here --> Panning Speed Best Practices
The panning speeds you show in your clip, is when you rotate CW about 7sec for the full image width & about 3sec when you pan CCW...