If you are vego for ethical reasons then yes, every time its bad.

Every time you press the accelerator pedal on your car you are spewing CO2 into the atmosphere. Every time is bad.

That does not mean that we stop driving. We drive less.

These kinds of comparisons just don’t work and they come off as being an odd sort of defensive reply. Not to mention it’s a false equivalence. In the end though it’s a personal choice that really doesn’t need to be criticized, whether it is based on preference or ethical beliefs.

That's not fundamentally ethical at scale, it's a systems problem. "Do the least damage" is the interim fix while the industry decarbonizes.

Not eating cute critters is fundamentally ethical.

If you consider it wrong to torture and kill animals for your pleasure, as many vegans and vegetarians do, then it's unlikely that you think that occasionally torturing and killing animals, and eating their dead bodies, is either moral or appetising.