The phrase "muddy waters" means a situation that is unclear, confusing, or full of problems. It can also refer to a state of uncertainty or difficulty. Full definition
Bad VR reminds us of how incredible good VR is, but it can also muddy the waters of virtual reality as it heads mainstream. (pcgamer.com)
To further muddy the waters, your occupation class can play a role as to whether a benefit amount is payable. (highincomeprotection.com)
If you want your team to install the mobile app, don't muddy the waters by asking them to add three time entries, or upload 10 documents. (bill4time.com)