They have specific purpose. If you consider the 4 Day Wave in TACFIT, you can insert your tactical gymnastics into the low or moderate intensity sessions.
You should leave your tactical gymnastics practice smiling, sweaty and sore: a good, deep sweat which allows you to loosen the muscles, lubricate the joints, work out the knots, focus your mind, and decompress your emotions.
Most of the martial arts approaches I studied were “sink or swim.” For instance, since my years in Russia often involved their special operations unit trainers and personnel, the training was very much a culling of the herd, where whoever could survive the many hours of grueling repeti[...].
It is not possible to perform them with no intensity, like your mobility days; and not advisable to perform them at high intensity due to their complex nature, even if you scale down the complexity to simple movements.