You know what? The Gay previously have the pink logo below:

They found their logo not so attractive. Gloomy and just so so.

And finally they stole the idea rainbow strips from the children and from religious christian group. Afterward the LGBT get bigger attention and popularity after they changed the LGBT LOGO.

Read more:

• https://www.buzzfeednews.com/article/tanyachen/lgbts-stole-the-rainbow-from-nbc-peacock-give-it-back
• https://mashable.com/article/lgbtq-meme-war-cultural-appropriation-rainbow