Free samples has been a long standing marketing program, intended for students, engineers, and manufacturers. With the internet, the program has been severely abused by hobbyists, Ebay tycoons, and just plain idiots who ordered the just because its free.
Since it's marketing, the company wants to know a little about your application, to help them sell their product, and develop future products. Pretty sure that if you are honest with them, and provide useful information, you will be rewarded with the freebies. If it sounds like minimal, basic answers just to fill in the blanks, they might just dump your request in the trash with the hundreds of Ebay stock requests...
You should read through some of the past threads here. Some good tips on how to scam free parts from most companies. A few from people who got the free samples, and need to know how to use them (how to build a programmer, how to write programs, what are the good for...).
I'm a hobbyist, and buy or salvage all my parts and materials. Never requested any free parts, and have declined a few that were offered, when I requested some additional information. Hobbies cost money, and I have several others besides electronics. Save for what you need, work with what you've got...