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there's no one size fits all solution. as has been said earlier there are many variables to consider and weight is a big one among others. tire pressure is the last track side fine tuning option available to achieve the balance desired. there's definitely a sweet spot to be discovered somewhere between under and over inflation. generally speaking the heavier the car the more pressure you will need for maximum traction so it's not surprising the pro driving the FRS on such low pressures. personally I got best handling balance for my driving style on my R-comps around 38-40 hot. I would usually start around 6-8 psi lower from cold to get there plus I would shoot for a +1 rear pressure bias for a perfect neutral handling balance taking into account my total alignment specs and general handling characteristic.
PS. PSS's are not track tires and should not be mistaken for one
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