Yes it is true that the elimination of an unprofitable product line may adversely affect the remaining product lines
Step-by-step explanation:
The elimination of the product which are not profitable may negatively cause the sale or demand of the other products which are in the line of sale.
The seller or producer may affect with the diminishing rate of profit and this may hamper the sale of other products which can be sold or for which the consumers can demand.
Thus it is true in this regard.