I disagree naming Flatpak etc. as the reason for more adoption. New users I know of do not know how to search for software and software alternatives in the first place.
Documentation and engagement on linux just improves by each day. Experiences are shared and people may just be curious. Then there are news about linux breakthroughs by big players like valve.
Imo a beginner linux distro should prompt on install:
If you are a potential linux adaptor do not get discouraged. You may have spent your entire life building knowledge for an other operating system. Once you grok the aimed simplicity of UNIX and which parts are involved in your daily tasks you will be at least as efficient as with other operating systems. The most inportant thing: Have fun on your journey and engage in our chats, forums and/or in social media.