Can inspirational slogans be said to be full of literary talent?

Yes. "Wen Cai Fei Yang" is used to describe a sentence, indicating that the sentence is written at a very high level and has literary talent. An inspirational slogan is a sentence, so the inspirational slogan can be said to be "Wen Cai Fei Yang". Inspirational slogan content should encourage people to exercise, learn, improve their own strength, and pursue higher-level goals.