Kucoin made a good decision not to delist XRP on their exchange when the news of the lawsuit of SEC to the Ripple team comes out on the public, right now its making a gain again and proving its worth even have campaign its helping xrp community to build it up again and make it worth it even more
Several other exchanges also did not delete the XRP token permanently, because it was only made in the form of suspension, and this was only intended to maintain the reputation of an exchange at that time, even though now the Ripple token is more valuable than ever.