Who should we regard as role models?
In my opinion, keep only Buddha as your role model otherwise you will be in for a dissapontmemt. The next option is to keep any other teacher who is passed away without any known bad publicity. It is not advisable to keep any other living teacher as your role model. However, you can keep any living Kalyanamitta (spiritual friend) as your role model. The reason being you can accept any drawbacks of your spiritual friend as you know they are not perfect.