The variety of definitions being applied to the word 'scam' amaze me.
Upselling a product to someone who doesn't need it is not a scam.
Expensive products that people willingly buy and work as described are not scams.
Putting a high end component into a mess of system and saying it doesn't work does not count as a scam.
A scam is knowingly deceiving someone either by getting them to pay for goods or services that they will not receive, or that are not, in good faith, what was agreed to or advertised.
Upselling a product to someone who doesn't need it is not a scam.
Expensive products that people willingly buy and work as described are not scams.
Putting a high end component into a mess of system and saying it doesn't work does not count as a scam.
A scam is knowingly deceiving someone either by getting them to pay for goods or services that they will not receive, or that are not, in good faith, what was agreed to or advertised.