At one time (early days of Wikepedia) one could post their own info. That changed. They have people who check and verify information as well as determine if the information is of historical, public or of some significance and the information must be presented by a third party. Sometimes information will appear only to be deleted by Wikepedia if they determine it is not relevant to the purpose of Wikepedia. Suggest you inquire of Wikepedia what their requirements are, what information is deemed acceptable, etc.
I find Wikepedia a good source of information that can be relied on for accuracy. In that respect, I think they are doing a good job with scrutiny. Personal promotion won't fly with them even if significant without supporting documentation. I went through this with Abdul Ahad where he wanted to have his discovery on Wikepedia. Without recognition/confirmation from a scientific source, his submission was rejected.