Roughness?

Consideration on the problem that I must adjust point gap so often on VW 1302 Super Beetle led me some possible conclusion, the roughness of the cam surface touching with the cam lifter plastic material. The touching surface here must be shinny finished like a mirror with minimum slipping resister, otherwise cam lifter of contact point mechanism construction easily worn in short period of time?
No lubrication has something to do with the wear if the cam surface is rough like a file.
Polishing with some micro grain polisher would be performed after careful checking, though the distributor set on the AD motor now is new genuine Bosch with vacuum advancing mechanical actuator?

Even Google has been attacked by some Chinese hacker, CNN so told this morning with Mrs. Clinton's comments.