Too Long; Didn't Read
Docker containers opened a world of possibilities for the tech community, hassles in setting up new software were decreased unlike old times when a mess was to be sorted by a grievous format, it reduced the time to set up and use new software which eventually played a big part for techies to learn new things, roll it out in a container and scrap it when done. Things became easy, and the best thing its open source anyone and everyone can use it, comes with a little learning curve though.