Generally, cause you haven't said how much you drink, why she feels you need to take pills ect., I'd say a T should make you aware of what he/she thinks you could benefit from changing. This should lead to a discussion over why you think this is not a way for you, your T explaining why she/he thinks it is and then some sort of agreement is reached. Not talking about it could also fall under the agreement. Pushing clients to do/not do stg is NOT a T's job. Ultimately, it's our decission to make.
However, could well be that your drinking is so serious that it's actually hurting you or making the therapy impossible (or at least your T sees it that way). Then yes I'd say SOME pushing is expected before the T'd give up. Some Ts, mine included, have a rule about not doing therapy with heavily addicted ppl- when I asked about this he explain that it's not working and ppl at that stage need stg different (impatient/detox) than talking therapy and that talking therapy should come later.
Again can't really say without some more info. The remark about your work buddy is either really unfair or it could be true