Customer support of costly. Why do you think that many companies raise artificial barriers to getting in contact with support (e.g. burying their support line d

Customer support of costly. Why do you think that many companies raise artificial barriers to getting in contact with support (e.g. burying their support line deep within their site in a non-obvious location). Even then the support that you get is many times designed to blame everyone but the company for issues in an effort to frustrate you into just getting off the phone and falling into acceptance of your situation (rather than actively trying to improve it).