Two points:
- Per a report by a United States Senate subcommittee entitled "The role of market speculation in rising oil and gas prices", a speculator 'does not produce or use the commodity, but risks his or her own capital trading futures in that commodity in hopes of making a profit on price changes.'
- The folks who enroll for the above mentioned course are already suffering from the actions of people whom they are trying to emulate ("I guess I'll have to take the public transport to attend the classes because petrol is so expensive these days. Those ^&*$ speculators!").