Yes, I told them.
Yes, you should definitely continue to put money into your 401(k) and other retirement accounts.
No matter what President Trump does, there are still tax advantages to putting money into your 401(k), IRA, or other retirement accounts.
No matter what President Tump does, you are still going to retire one day. You are still going to need those funds.
However, I'd put much more of it into cash, bonds, utilities, or international funds. It's going to be a couple of months before everyone figures out exactly what President Trump is going to do, exactly what impact it will have, and, in turn, how they can make money within the context of those changes.
Until then, I believe a more defensive asset allocation is prudent. Hence, I recommend the four asset categories above for the time-being.