Video 1:
Your walkout was loose and you took extra steps. This can drain energy. It didn’t look like you got very tight before you began your descent.
Video 2:
A little better on the walkout.
Squats were a bit high.
So, make the walkout more purposeful.
Stand tall and root/brace hard then squat.
Remember to drive your back into the bar on the way down and harder on the way up.
If you know that your set wasn’t right, don’t increase the weight.
Remember, RPE is MORE important than weight on the bar.
If you know your form is off, that is an indicator that your RPE is probably higher than you think.
If I am not explaining this right, let me know.