I would get free samples myself too. What got me was instead of them just sending a few dollars (or even cents) worth of chips, the companies insisted on sending them in ridiculous over the top ESD packaging, plastic flip boxes, acoustic foam and UPS or DHL next day international delivery!!! 
Clearly it's some marketing knob jockey that decides to send the free samples out with all the bells and whistles. All I could see when my 2 x $1.50 IC's or whatever turned up in this elaborate package, complete with uniformed courier expecting a signature for delivery, rather than it just turning up in regular post in my letterbox a couple of days later, is a company that is going down the drain. 
No, the packaging and the speed and the price totally makes sense if you are an engineer at business.
Speed: If you are making a prototype, it does matter if you get your stuff tomorrow, two days later or a week later. If it is there tomorrow, you actually do something, and you dont need to start doing something else to avoid raised eyebrows.
Packaging: sending a sample which got damaged by ESD is the wors that could happen. The engineer will evaluate a chip based on that 1 or 2 sample hes got. If it is damaged, he will use a different chip, and TI doesnt want that.
Free: There is a huge difference between free and 1 cent, and that is because how companies work. Engineers almost never have money at their discretion. Which means, if you have to spend 1 cent, you need to turn to your supervisor, you need to write a purchase order, maybe a purchase requisition, plan the requirement in the project, make feasibility. Accounting has to process the payment. Money needs to be transferred. If you need to pay, that can delay the whole process by days, and the overhead cost will be a magnitude bigger, because the work is bigger. Free samples are free to kick the whole business process in the ass (as it should be).
I really dont like the change TI made with their support. First they stopped answering emails, now the samples might be crippled. What is next? Going the Maxim route?