I’ll lend a bit of a different perspective. And to lend it I will assume we are talking about asana practice and not yoga practice. If I am incorrect here please adjust me.
The Bikram practice is static in its sequence. The poses are the same every time and in the same order. Logically one might assume then that the result would be consistent or “the same”. Keep doing what you’re doing you’ll keep getting what you’re getting. Therefore the student must be malleable to the practice and he/she must fit it.
In an Iyengar practice the asanas are sequenced in different ways with different preparations and, when taught by a good teacher, the instructor “splits” their mind and can teach the class one pose while also working specifically with a student who is injured, ill, or in need of a different approach or posture. In this way the class can have a different outcome each time. The residue of the practice - student set aside - can be different each time out. In this way the practice can fit the student.
So an appropriate question in this case is “does this person need a practice that fits them or do they need to fit a practice?”
Many people seem to confuse climate with yoga. Is it yoga that purges one’s toxins or is it perspiration? Is it possible to “feel great” after 90 minutes of activity in a sauna? Perhaps. I do not know. Maybe the greater question is whether a Bikram student can find the same sense of Self with the same practice in a room that is 73?. Again I do not know. But it would be fun to study.
One other thing that I think is relative to mention. Certain concepts are appropriate for teachers but should not be thrust upon students. Why? Because the daises should not be watered with the garden hose on full blast unless one wants to obliterate their petals and strain their stem.
It is a very sound therapeutic approach for the student to examine the emotional work that is presently reflected in the physical body - no question. That, in conjunction with asana/pranayama and nutrition make up the three-prong approach in Purna Yoga. In the case of this particular student who has no yoga background at all, it would be prudent to consider developing a trust relationship with the student long before broaching the subject of emotional manifestation in the physical body.