So people can actually read it for themselves, the referenced memo is located on Page 67 of the PDF linked below. A careful read reveals that it only purports to apply to "Part 23" airplanes. Many of our aircraft, including for example the Bonanza, are CAR3 airplanes. Read into that what you will.
http://fsims.faa.gov/wdocs/Other/Major_Repair_Alteration_Job-Aid R5.pdf
"The following are safety concerns with the installation of paint coverings that must be evaluated. by the applicant for any TC/ATC/STC application:
1. Without proper engineering evaluation and/or tests, paint cannot be placed on any control surface or control surface tab:
a. without consideration of the effect on the flutter characteristics (whether the surface is mass balanced or not) and
b. where that installation would change the existing clearance between adjacent surfaces with and without loading.
2. Scoring the skin of aircraft when cutting masking tape /sheets to fit, which can start cracks, particularly in pressurized aircraft.
3. Blocking of fuel vents, static ports, hinges, drain holes etc., making them inoperative or changing the airflow over static po1ts.
4. Use of aggressive solvents to apply the material. This is a concern around fuel tanks and vents, sensitive antennas, and especially on composite parts, which are susceptible to damage from solvents.
5. Covering required exterior aircraft markings and emergency exits.
6. Paint losing adhesion on the surface or on rotating parts and jamming control surfaces or compromising engines.
7. Static build-up causing electrical discharges in or around fuel tanks and causing radio/navigation interference.
8. Tinting of windows and windshields with transparent tints, which compromises the view of pilots.
9. The impact on removal of ice build-up on critical surfaces.
10. Flammability of the material, including lightning strikes, and especially near engine exhausts and around engine nacelles. Flammability test specimens should be built-up from the cowling/nacelle with the paint applied.
11. Peeling of the paint from rain or hail.
12. Masking of cracks and corrosion in structure and skin.
13. Lifetime of a paint application. How long before mandatory removal.
14. Effects of de-ice fluids on the paint film."