What does it mean that the grapefruit on the Internet is ripe?

Something, something has reached the right time and can be well displayed, publicized or popularized. Ripe grapefruit is a vivid metaphor. In the network, this does not mean that grapefruit is mature, but that something has reached the right time and can be well displayed, publicized or promoted. Grapefruit is widely used in social media, e-commerce, advertising and marketing, entertainment and other fields, and has become a common expression of buzzwords.