If it is true that...

Listening to users complain about bugs in your software is what will make you successful

Then it must be true that...

Fundraising is not what will make your company successful

If it is true that...

Fundraising is not what will make your company successful

and

Listening to users complain about bugs in your software is what will make you successful

Then it must be true that...

Fundraising is not what will make you successful, it's just a means to an end