Power Steering Pump problems of the 2008 Ford F-150

My truck has 80,000 miles. I noticed that gradually the steering was becoming stiffer and harder to turn feeling as if it was binding at times. It got to a point that when making a turn the wheel would not recover and actually had to be pulled back making it dangerous to drive. I took it to my service shop and they replaced the power steering pump which did nothing to correct the problem. I then did some research on-line and found various forums where owners and repair techs described the two "u" joints on the F-150 steering shaft becoming badly corroded making it difficult to turn the steering wheel and pointing out the joints have no grease fitting. I checked the joints on my truck and they ere corroded. I applied lubricant externally and it completely eliminated my problem, however, I have to reapply lubricant every couple of months. The attached photo shows the upper joint after I lubricated it. Ford has to know this safety issue exists and that this is costing owners needless repair costs.

Steering got very hard while making a turn on an off ramp. Almost veered into oncoming traffic! power steering pump and lines were replaced one week prior. . .