It’s DANGEROUS and If you drive with bad wheel alignment then it a lot costly than driving with aligned wheels. As you drive with misaligned wheels, the tires are going to wear out quickly than the time period and and is not efficient of the pocket of yours as well on the fuel efficiency.
It is DANGEROUS because with misaligned wheels, they will go out of the lane or the steering the vehicle will not be smooth. Uneven tire wear can lead to no traction on the road at all. Taking care of your alignments is your responsibility to take care of your life. Sometimes bad alignment can put you in a stressful situations.