No one who believes their own reasons/excuses for eating meat will stop eating meat. Begin to question your beliefs and your own willingness to believe them.
Biblically (which so many base their "right" to kill and eat animals) humans and animals were amply provided with food that grew from the soil and told by God that this is what was to be eaten. Questioning God (i.e. eating of the fruit of the tree of good and evil) resulted in catastrophic changes to our well being and that of all living creatures, culminating in a great flood in which only a handful of humans survived but a great number of animals did, at God's request.
After the flood God put fear into the animals of the ark to protect them as far as possible while new lands began the slow initiation into vegetation and crops.
To continue to eat animals after the land became arable and rich was man's choice, not God's. And it still is, to this day.
It's an interesting question. If we are going to go based on the Bible, I have to imagine that somewhere in the Bible after the flood there are instructions about how to eat meat. You would think those wouldn't be in there if the intention was for humans not to eat meat, from a Biblical point of view ...?
Guidelines as to what animals are clean and unclean to eat are provided in the Torah (first five books of the Old Testament) for followers of Judaism. There is no mention of "instructions" in the Christian-based New Testament. Jesus ate fish. If He was a member of a Jewish sect, such as the Essenes, that group is vegetarian.
Literally billions of healthy people on the planet eat a plant-based diet. The western world's obsession with meat as a healthy choice is misguided.
Worldwide, there are estimated to be 375 million people subsisting on a vegetarian diet. That is not billions.
Not all of those people are healthy. Many have severe protein deficiencies.
It's fine if you have the money to purchase a menu which provides all your types of proteins and nutrients from fresh vegetables and other sources. Many people in inner cities do not have that luxury - they are barely scraping by to pay the rent.
None of this has anything to do on whether the Bible states that meat should not be eaten. Numerous examples seem to indicate that, after the flood, there are still instructions on when and when not to eat animal flesh. Including fish.