For those fabrics covered interiors here are some points you may consider.
Fabrics are made of soft materials that doesn’t react on sudden temperature changes unlike the leather ones.
Yes, fabrics or textiles are not waterproof and it is very absorbent, so if there are food spills or coffee spills inside your car, it will really absorb the stuff including its odor.
Car with fabric interiors need to wash-down. You also need to vacuum it every day to prevent dust and other bugs that may cause irritation.