I always find it a very negative sign for a company, when the corridors are getting filled with pep talk posters, which could have come directly from the latest management magazine.

For me it is a clear sign, that innovation and real work done in the company is going rapidly downwards.

Continuously repeating, how good "we" are clearly says, that the company is currently "not good enough".

What might work in personal psychology, does not in corporations, where everything else tells the workers, that their work does not count, but only the work of the poster creators.