oversimplified
adjective
[ ˌəʊvəˈsɪmplɪfʌɪd ]
• simplified to such an extent that a distorted impression is given.
• "an oversimplified view of human personality"
oversimplify
verb
• simplify (something) so much that a distorted impression of it is given.
• "this argument oversimplifies the relationships between people"