91% of women consider it to be sexual harassment to be approached by a man and asked for sexual favors. In the famous study by Clark and Hatfield, 0% of the women said "yes" to an offer of casual sex made by an opposite-sex stranger, whereas 75% of the men said "yes.

However, most women would not just not mind it if an attractive male celebrity asked them for sexual favors, but most of them would actually say "yes".

A study asked women if they would say "yes" or "no" if Johnny Depp approached them for casual sex, and the vast majority of the women indicated they would say "yes". Likewise, the vast majority of men indicated that they would say "yes" if Angelina Jolie asked them for sex. Both sexes were equally likely to say "yes" to casual sex with an attractive opposite-sex celebrity:

That is, I examined gender differences to the combination of Roseanne and Angelina Jolie (for male participants) versus the combination of Johnny Depp and Donald Trump (for female participants). The enormous gender differences demonstrated multiple times by Clark and colleagues and others were eliminated in this analogous situation, t(88) 0.10, n.s., d 0.02. Women and men were equally likely to agree to the casual sexual proposal with the respective famous heterosexual individuals.

Bluepillers claim that these findings can be explained by the fact that women know that Johnny Depp can be trusted not to hurt them, whereas they don't know if a random male stranger can be trusted. However, the reality is that trust isn't enough for a woman to agree to have sex with someone. In the same study, women were also asked if they would say "yes" or "no" if their best male friend asked them for casual sex. It turned out the women would only say "yes" to that offer if they perceived their best male friend to be sufficiently sexually capable, and they perceived the men to be significantly less sexually capable than the men perceived the women to be:

Male sexual proposers were perceived as less sexually capable (M 2.83, SD 1.15) than female sexual proposers (M 3.90, SD 1.00), t(62) 3.95, p .0005, d 1.00. Male proposers were also perceived as less warm (M 2.53, SD 1.19) than their female counterparts (M 3.24, SD 1.21), t(62) 2.37, p .02, d 0.60

Across studies involving both actual and hypothetical sexual encounters, the only consistently significant predictor of acceptance of the sexual proposal, both for women and for men, was the perception that the proposer is sexually capable (i.e., would be “good in bed”).

So if a woman doesn't perceive you as being sufficiently sexually capable, she will still reject you; even if she is your best friend and trusts you. And obviously, being desirable/attractive is an important part of being sexually capable.