Hinduism is not Religion, name given by Arabs, its a collection of Traditions, Stock of Advices by Sage people appeared in different timeline, you've no Prophets or Singular un-doubted Authority to FOLLOW .......etc etc
TIMELINE -
Myth of Holy-Cow...... (Going to Bust)
1. Cows were the biggest source of meal in Ancient time (Ie 10,000 BC) when there was no idea of CULTIVATION
2. Later on......New concept rolls in where cows were distinguished as Wild & Domestic animals
3. Then Later on.....Some of Great Sage (maybe) among India emphasized to grow stock of Domestic Cattle ...as it proved FRUITFUL
4. Then Time goes on......you people extended that Offer to Monkeys and other living Animals....
5.
Modern Era:::: You pull back that compensation from MONKEYS.......as they appeared to attack Fiercely on humans & Especially they destroyed Vegetable Farms ruining lives of many Farmers
6.
Technology Era:::: You people pull back BIRDS from BLACKLIST....as we all know that ....Sacrificing MC-Donals / KFC deals is not an Easy Job to DEAL-WITH
7.
Realization Era::::: Now the time has come again to decide fate of WANTON COWS and Belligerent Bulls wandering all over the Indian Streets / Roads with no Purpose & no Benefit?
Source:
Beef Eating in Hinduism | Page 4